Re: [igt-dev] [PATCH v19 3/6] lib: igt_gt: add eb flags to class helper

[Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>]

On 08/04/2019 17:15, Andi Shyti wrote:
> we have a "class/instance to eb flags" helper but not the
> opposite, add it.
> 
> Suggested-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> Signed-off-by: Andi Shyti <andi.shyti@intel.com>
> ---
>   lib/igt_gt.c | 18 ++++++++++++++++++
>   lib/igt_gt.h |  2 ++
>   2 files changed, 20 insertions(+)
> 
> diff --git a/lib/igt_gt.c b/lib/igt_gt.c
> index 5999524326d0..8cd58f7afbfd 100644
> --- a/lib/igt_gt.c
> +++ b/lib/igt_gt.c
> @@ -41,6 +41,7 @@
>   #include "intel_reg.h"
>   #include "intel_chipset.h"
>   #include "igt_dummyload.h"
> +#include "i915/gem_engine_topology.h"
>   
>   /**
>    * SECTION:igt_gt
> @@ -586,6 +587,23 @@ const struct intel_execution_engine2 intel_execution_engines2[] = {
>   	{ }
>   };
>   
> +int gem_eb_to_class(unsigned int flags)
> +{
> +	switch (flags & 0x3f) {
> +		case I915_EXEC_DEFAULT:
> +		case I915_EXEC_RENDER:
> +			return I915_ENGINE_CLASS_RENDER;
> +		case I915_EXEC_BLT:
> +			return I915_ENGINE_CLASS_COPY;
> +		case I915_EXEC_BSD:
> +			return I915_ENGINE_CLASS_VIDEO;
> +		case I915_EXEC_VEBOX:
> +			return I915_ENGINE_CLASS_VIDEO_ENHANCE;
> +		default:
> +			igt_assert(0);
> +	}
> +}
> +
>   unsigned int
>   gem_class_instance_to_eb_flags(int gem_fd,
>   			       enum drm_i915_gem_engine_class class,
> diff --git a/lib/igt_gt.h b/lib/igt_gt.h
> index 52b2f1ea95a5..b13062ef7d33 100644
> --- a/lib/igt_gt.h
> +++ b/lib/igt_gt.h
> @@ -99,6 +99,8 @@ extern const struct intel_execution_engine2 {
>   	bool is_virtual;
>   } intel_execution_engines2[];
>   
> +int gem_eb_to_class(unsigned int flags);
> +
>   unsigned int
>   gem_class_instance_to_eb_flags(int gem_fd,
>   			       enum drm_i915_gem_engine_class class,
> 

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Regards,

Tvrtko
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